Easyneet pyq 2026
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The standard electrode potential (E°) for the half-cell reaction Fe³⁺ + e⁻ → Fe²⁺ at 298 K is (Given: E°(Fe³⁺/Fe) = −0.04 V and E°(Fe²⁺/Fe) = −0.44 V at 298 K)
A
+0.92 V
B
+0.40 V
C
+0.76 V
D
−0.48 V
Explanation
Using ΔG° addition or E° relationship, E°(Fe³⁺/Fe²⁺) = +0.76 V.
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